react-chart-all
Version:
Simple Chart.js React component npm module. Support npm chart.js version, ES6 syntax and all chart.js types (Line, Bar, Radar, Polar Area, Pie, Doughnut).
1,344 lines (1,099 loc) • 1.12 MB
JavaScript
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*!
* Chart.js
* http://chartjs.org/
* Version: {{ version }}
*
* Copyright 2015 Nick Downie
* Released under the MIT license
* https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
*/
var Chart = require('./core/core.js')();
require('./core/core.helpers')(Chart);
require('./core/core.element')(Chart);
require('./core/core.animation')(Chart);
require('./core/core.controller')(Chart);
require('./core/core.datasetController')(Chart);
require('./core/core.layoutService')(Chart);
require('./core/core.legend')(Chart);
require('./core/core.scale')(Chart);
require('./core/core.scaleService')(Chart);
require('./core/core.title')(Chart);
require('./core/core.tooltip')(Chart);
require('./controllers/controller.bar')(Chart);
require('./controllers/controller.bubble')(Chart);
require('./controllers/controller.doughnut')(Chart);
require('./controllers/controller.line')(Chart);
require('./controllers/controller.polarArea')(Chart);
require('./controllers/controller.radar')(Chart);
require('./scales/scale.category')(Chart);
require('./scales/scale.linear')(Chart);
require('./scales/scale.logarithmic')(Chart);
require('./scales/scale.radialLinear')(Chart);
require('./scales/scale.time')(Chart);
require('./elements/element.arc')(Chart);
require('./elements/element.line')(Chart);
require('./elements/element.point')(Chart);
require('./elements/element.rectangle')(Chart);
require('./charts/Chart.Bar')(Chart);
require('./charts/Chart.Bubble')(Chart);
require('./charts/Chart.Doughnut')(Chart);
require('./charts/Chart.Line')(Chart);
require('./charts/Chart.PolarArea')(Chart);
require('./charts/Chart.Radar')(Chart);
require('./charts/Chart.Scatter')(Chart);
window.Chart = module.exports = Chart;
},{"./charts/Chart.Bar":2,"./charts/Chart.Bubble":3,"./charts/Chart.Doughnut":4,"./charts/Chart.Line":5,"./charts/Chart.PolarArea":6,"./charts/Chart.Radar":7,"./charts/Chart.Scatter":8,"./controllers/controller.bar":9,"./controllers/controller.bubble":10,"./controllers/controller.doughnut":11,"./controllers/controller.line":12,"./controllers/controller.polarArea":13,"./controllers/controller.radar":14,"./core/core.animation":15,"./core/core.controller":16,"./core/core.datasetController":17,"./core/core.element":18,"./core/core.helpers":19,"./core/core.js":20,"./core/core.layoutService":21,"./core/core.legend":22,"./core/core.scale":23,"./core/core.scaleService":24,"./core/core.title":25,"./core/core.tooltip":26,"./elements/element.arc":27,"./elements/element.line":28,"./elements/element.point":29,"./elements/element.rectangle":30,"./scales/scale.category":31,"./scales/scale.linear":32,"./scales/scale.logarithmic":33,"./scales/scale.radialLinear":34,"./scales/scale.time":35}],2:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
Chart.Bar = function(context, config) {
config.type = 'bar';
return new Chart(context, config);
};
};
},{}],3:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
Chart.Bubble = function(context, config) {
config.type = 'bubble';
return new Chart(context, config);
};
};
},{}],4:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
Chart.Doughnut = function(context, config) {
config.type = 'doughnut';
return new Chart(context, config);
};
};
},{}],5:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
Chart.Line = function(context, config) {
config.type = 'line';
return new Chart(context, config);
};
};
},{}],6:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
Chart.PolarArea = function(context, config) {
config.type = 'polarArea';
return new Chart(context, config);
};
};
},{}],7:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
var defaultConfig = {
aspectRatio: 1
};
Chart.Radar = function(context, config) {
config.options = helpers.configMerge(defaultConfig, config.options);
config.type = 'radar';
return new Chart(context, config);
};
};
},{}],8:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var defaultConfig = {
hover: {
mode: 'single'
},
scales: {
xAxes: [{
type: "linear", // scatter should not use a category axis
position: "bottom",
id: "x-axis-1" // need an ID so datasets can reference the scale
}],
yAxes: [{
type: "linear",
position: "left",
id: "y-axis-1"
}]
},
tooltips: {
callbacks: {
title: function(tooltipItems, data) {
// Title doesn't make sense for scatter since we format the data as a point
return '';
},
label: function(tooltipItem, data) {
return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
}
}
}
};
// Register the default config for this type
Chart.defaults.scatter = defaultConfig;
// Scatter charts use line controllers
Chart.controllers.scatter = Chart.controllers.line;
Chart.Scatter = function(context, config) {
config.type = 'scatter';
return new Chart(context, config);
};
};
},{}],9:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
Chart.defaults.bar = {
hover: {
mode: "label"
},
scales: {
xAxes: [{
type: "category",
// Specific to Bar Controller
categoryPercentage: 0.8,
barPercentage: 0.9,
// grid line settings
gridLines: {
offsetGridLines: true
}
}],
yAxes: [{
type: "linear"
}]
}
};
Chart.controllers.bar = Chart.DatasetController.extend({
initialize: function(chart, datasetIndex) {
Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex);
// Use this to indicate that this is a bar dataset.
this.getDataset().bar = true;
},
// Get the number of datasets that display bars. We use this to correctly calculate the bar width
getBarCount: function getBarCount() {
var barCount = 0;
helpers.each(this.chart.data.datasets, function(dataset) {
if (helpers.isDatasetVisible(dataset) && dataset.bar) {
++barCount;
}
});
return barCount;
},
addElements: function() {
this.getDataset().metaData = this.getDataset().metaData || [];
helpers.each(this.getDataset().data, function(value, index) {
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Rectangle({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
}, this);
},
addElementAndReset: function(index) {
this.getDataset().metaData = this.getDataset().metaData || [];
var rectangle = new Chart.elements.Rectangle({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
var numBars = this.getBarCount();
this.updateElement(rectangle, index, true, numBars);
this.getDataset().metaData.splice(index, 0, rectangle);
},
update: function update(reset) {
var numBars = this.getBarCount();
helpers.each(this.getDataset().metaData, function(rectangle, index) {
this.updateElement(rectangle, index, reset, numBars);
}, this);
},
updateElement: function updateElement(rectangle, index, reset, numBars) {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var yScalePoint;
if (yScale.min < 0 && yScale.max < 0) {
// all less than 0. use the top
yScalePoint = yScale.getPixelForValue(yScale.max);
} else if (yScale.min > 0 && yScale.max > 0) {
yScalePoint = yScale.getPixelForValue(yScale.min);
} else {
yScalePoint = yScale.getPixelForValue(0);
}
helpers.extend(rectangle, {
// Utility
_chart: this.chart.chart,
_xScale: xScale,
_yScale: yScale,
_datasetIndex: this.index,
_index: index,
// Desired view properties
_model: {
x: this.calculateBarX(index, this.index),
y: reset ? yScalePoint : this.calculateBarY(index, this.index),
// Tooltip
label: this.chart.data.labels[index],
datasetLabel: this.getDataset().label,
// Appearance
base: reset ? yScalePoint : this.calculateBarBase(this.index, index),
width: this.calculateBarWidth(numBars),
backgroundColor: rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor),
borderSkipped: rectangle.custom && rectangle.custom.borderSkipped ? rectangle.custom.borderSkipped : this.chart.options.elements.rectangle.borderSkipped,
borderColor: rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor),
borderWidth: rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth)
}
});
rectangle.pivot();
},
calculateBarBase: function(datasetIndex, index) {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var base = 0;
if (yScale.options.stacked) {
var value = this.chart.data.datasets[datasetIndex].data[index];
if (value < 0) {
for (var i = 0; i < datasetIndex; i++) {
var negDS = this.chart.data.datasets[i];
if (helpers.isDatasetVisible(negDS) && negDS.yAxisID === yScale.id && negDS.bar) {
base += negDS.data[index] < 0 ? negDS.data[index] : 0;
}
}
} else {
for (var j = 0; j < datasetIndex; j++) {
var posDS = this.chart.data.datasets[j];
if (helpers.isDatasetVisible(posDS) && posDS.yAxisID === yScale.id && posDS.bar) {
base += posDS.data[index] > 0 ? posDS.data[index] : 0;
}
}
}
return yScale.getPixelForValue(base);
}
base = yScale.getPixelForValue(yScale.min);
if (yScale.beginAtZero || ((yScale.min <= 0 && yScale.max >= 0) || (yScale.min >= 0 && yScale.max <= 0))) {
base = yScale.getPixelForValue(0, 0);
//base += yScale.options.gridLines.lineWidth;
} else if (yScale.min < 0 && yScale.max < 0) {
// All values are negative. Use the top as the base
base = yScale.getPixelForValue(yScale.max);
}
return base;
},
getRuler: function() {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var datasetCount = this.getBarCount();
var tickWidth = (function() {
var min = xScale.getPixelForTick(1) - xScale.getPixelForTick(0);
for (var i = 2; i < this.getDataset().data.length; i++) {
min = Math.min(xScale.getPixelForTick(i) - xScale.getPixelForTick(i - 1), min);
}
return min;
}).call(this);
var categoryWidth = tickWidth * xScale.options.categoryPercentage;
var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2;
var fullBarWidth = categoryWidth / datasetCount;
var barWidth = fullBarWidth * xScale.options.barPercentage;
var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage);
return {
datasetCount: datasetCount,
tickWidth: tickWidth,
categoryWidth: categoryWidth,
categorySpacing: categorySpacing,
fullBarWidth: fullBarWidth,
barWidth: barWidth,
barSpacing: barSpacing
};
},
calculateBarWidth: function() {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var ruler = this.getRuler();
return xScale.options.stacked ? ruler.categoryWidth : ruler.barWidth;
},
// Get bar index from the given dataset index accounting for the fact that not all bars are visible
getBarIndex: function(datasetIndex) {
var barIndex = 0;
for (var j = 0; j < datasetIndex; ++j) {
if (helpers.isDatasetVisible(this.chart.data.datasets[j]) && this.chart.data.datasets[j].bar) {
++barIndex;
}
}
return barIndex;
},
calculateBarX: function(index, datasetIndex) {
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var barIndex = this.getBarIndex(datasetIndex);
var ruler = this.getRuler();
var leftTick = xScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo);
leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0;
if (xScale.options.stacked) {
return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing;
}
return leftTick +
(ruler.barWidth / 2) +
ruler.categorySpacing +
(ruler.barWidth * barIndex) +
(ruler.barSpacing / 2) +
(ruler.barSpacing * barIndex);
},
calculateBarY: function(index, datasetIndex) {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var value = this.getDataset().data[index];
if (yScale.options.stacked) {
var sumPos = 0,
sumNeg = 0;
for (var i = 0; i < datasetIndex; i++) {
var ds = this.chart.data.datasets[i];
if (helpers.isDatasetVisible(ds) && ds.bar && ds.yAxisID === yScale.id) {
if (ds.data[index] < 0) {
sumNeg += ds.data[index] || 0;
} else {
sumPos += ds.data[index] || 0;
}
}
}
if (value < 0) {
return yScale.getPixelForValue(sumNeg + value);
} else {
return yScale.getPixelForValue(sumPos + value);
}
return yScale.getPixelForValue(value);
}
return yScale.getPixelForValue(value);
},
draw: function(ease) {
var easingDecimal = ease || 1;
helpers.each(this.getDataset().metaData, function(rectangle, index) {
var d = this.getDataset().data[index];
if (d !== null && d !== undefined && !isNaN(d)) {
rectangle.transition(easingDecimal).draw();
}
}, this);
},
setHoverStyle: function(rectangle) {
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
var index = rectangle._index;
rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.hoverBackgroundColor ? rectangle.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(rectangle._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
rectangle._model.borderColor = rectangle.custom && rectangle.custom.hoverBorderColor ? rectangle.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(rectangle._model.borderColor).saturate(0.5).darken(0.1).rgbString());
rectangle._model.borderWidth = rectangle.custom && rectangle.custom.hoverBorderWidth ? rectangle.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, rectangle._model.borderWidth);
},
removeHoverStyle: function(rectangle) {
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
var index = rectangle._index;
rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor);
rectangle._model.borderColor = rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor);
rectangle._model.borderWidth = rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth);
}
});
};
},{}],10:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
Chart.defaults.bubble = {
hover: {
mode: "single"
},
scales: {
xAxes: [{
type: "linear", // bubble should probably use a linear scale by default
position: "bottom",
id: "x-axis-0" // need an ID so datasets can reference the scale
}],
yAxes: [{
type: "linear",
position: "left",
id: "y-axis-0"
}]
},
tooltips: {
callbacks: {
title: function(tooltipItems, data) {
// Title doesn't make sense for scatter since we format the data as a point
return '';
},
label: function(tooltipItem, data) {
var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
var dataPoint = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
return datasetLabel + ': (' + dataPoint.x + ', ' + dataPoint.y + ', ' + dataPoint.r + ')';
}
}
}
};
Chart.controllers.bubble = Chart.DatasetController.extend({
addElements: function() {
this.getDataset().metaData = this.getDataset().metaData || [];
helpers.each(this.getDataset().data, function(value, index) {
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
}, this);
},
addElementAndReset: function(index) {
this.getDataset().metaData = this.getDataset().metaData || [];
var point = new Chart.elements.Point({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
// Reset the point
this.updateElement(point, index, true);
// Add to the points array
this.getDataset().metaData.splice(index, 0, point);
},
update: function update(reset) {
var points = this.getDataset().metaData;
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var scaleBase;
if (yScale.min < 0 && yScale.max < 0) {
scaleBase = yScale.getPixelForValue(yScale.max);
} else if (yScale.min > 0 && yScale.max > 0) {
scaleBase = yScale.getPixelForValue(yScale.min);
} else {
scaleBase = yScale.getPixelForValue(0);
}
// Update Points
helpers.each(points, function(point, index) {
this.updateElement(point, index, reset);
}, this);
},
updateElement: function(point, index, reset) {
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var scaleBase;
if (yScale.min < 0 && yScale.max < 0) {
scaleBase = yScale.getPixelForValue(yScale.max);
} else if (yScale.min > 0 && yScale.max > 0) {
scaleBase = yScale.getPixelForValue(yScale.min);
} else {
scaleBase = yScale.getPixelForValue(0);
}
helpers.extend(point, {
// Utility
_chart: this.chart.chart,
_xScale: xScale,
_yScale: yScale,
_datasetIndex: this.index,
_index: index,
// Desired view properties
_model: {
x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
y: reset ? scaleBase : yScale.getPixelForValue(this.getDataset().data[index], index, this.index),
// Appearance
radius: reset ? 0 : point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[index]),
backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor),
borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor),
borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth),
// Tooltip
hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius)
}
});
point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
point.pivot();
},
getRadius: function(value) {
return value.r || this.chart.options.elements.point.radius;
},
draw: function(ease) {
var easingDecimal = ease || 1;
// Transition and Draw the Points
helpers.each(this.getDataset().metaData, function(point, index) {
point.transition(easingDecimal);
point.draw();
});
},
setHoverStyle: function(point) {
// Point
var dataset = this.chart.data.datasets[point._datasetIndex];
var index = point._index;
point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, this.chart.options.elements.point.hoverRadius)) + this.getRadius(this.getDataset().data[point._index]);
point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, point._model.borderWidth);
},
removeHoverStyle: function(point) {
var dataset = this.chart.data.datasets[point._datasetIndex];
var index = point._index;
point._model.radius = point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[point._index]);
point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor);
point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor);
point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth);
}
});
};
},{}],11:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
Chart.defaults.doughnut = {
animation: {
//Boolean - Whether we animate the rotation of the Doughnut
animateRotate: true,
//Boolean - Whether we animate scaling the Doughnut from the centre
animateScale: false
},
aspectRatio: 1,
hover: {
mode: 'single'
},
legendCallback: function(chart) {
var text = [];
text.push('<ul class="' + chart.id + '-legend">');
if (chart.data.datasets.length) {
for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
if (chart.data.labels[i]) {
text.push(chart.data.labels[i]);
}
text.push('</span></li>');
}
}
text.push('</ul>');
return text.join("");
},
legend: {
labels: {
generateLabels: function(data) {
if (data.labels.length && data.datasets.length) {
return data.labels.map(function(label, i) {
return {
text: label,
fillStyle: data.datasets[0].backgroundColor[i],
hidden: isNaN(data.datasets[0].data[i]),
// Extra data used for toggling the correct item
index: i
};
});
} else {
return [];
}
}
},
onClick: function(e, legendItem) {
helpers.each(this.chart.data.datasets, function(dataset) {
dataset.metaHiddenData = dataset.metaHiddenData || [];
var idx = legendItem.index;
if (!isNaN(dataset.data[idx])) {
dataset.metaHiddenData[idx] = dataset.data[idx];
dataset.data[idx] = NaN;
} else if (!isNaN(dataset.metaHiddenData[idx])) {
dataset.data[idx] = dataset.metaHiddenData[idx];
}
});
this.chart.update();
}
},
//The percentage of the chart that we cut out of the middle.
cutoutPercentage: 50,
//The rotation of the chart, where the first data arc begins.
rotation: Math.PI * -0.5,
//The total circumference of the chart.
circumference: Math.PI * 2.0,
// Need to override these to give a nice default
tooltips: {
callbacks: {
title: function() {
return '';
},
label: function(tooltipItem, data) {
return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
}
}
}
};
Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut);
helpers.extend(Chart.defaults.pie, {
cutoutPercentage: 0
});
Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({
linkScales: function() {
// no scales for doughnut
},
addElements: function() {
this.getDataset().metaData = this.getDataset().metaData || [];
helpers.each(this.getDataset().data, function(value, index) {
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
}, this);
},
addElementAndReset: function(index, colorForNewElement) {
this.getDataset().metaData = this.getDataset().metaData || [];
var arc = new Chart.elements.Arc({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
if (colorForNewElement && helpers.isArray(this.getDataset().backgroundColor)) {
this.getDataset().backgroundColor.splice(index, 0, colorForNewElement);
}
// Reset the point
this.updateElement(arc, index, true);
// Add to the points array
this.getDataset().metaData.splice(index, 0, arc);
},
getVisibleDatasetCount: function getVisibleDatasetCount() {
return helpers.where(this.chart.data.datasets, function(ds) {
return helpers.isDatasetVisible(ds);
}).length;
},
// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
getRingIndex: function getRingIndex(datasetIndex) {
var ringIndex = 0;
for (var j = 0; j < datasetIndex; ++j) {
if (helpers.isDatasetVisible(this.chart.data.datasets[j])) {
++ringIndex;
}
}
return ringIndex;
},
update: function update(reset) {
var availableWidth = this.chart.chartArea.right - this.chart.chartArea.left - this.chart.options.elements.arc.borderWidth;
var availableHeight = this.chart.chartArea.bottom - this.chart.chartArea.top - this.chart.options.elements.arc.borderWidth;
var minSize = Math.min(availableWidth, availableHeight);
var offset = {x: 0, y: 0};
// If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc
if (this.chart.options.circumference && this.chart.options.circumference < Math.PI * 2.0) {
var startAngle = this.chart.options.rotation % (Math.PI * 2.0);
startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);
var endAngle = startAngle + this.chart.options.circumference;
var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};
var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};
var contains0 = (startAngle <= 0 && 0 <= endAngle) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);
var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);
var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);
var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);
var cutout = this.chart.options.cutoutPercentage / 100.0;
var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};
var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};
var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};
minSize = Math.min(availableWidth / size.width, availableHeight / size.height);
offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};
}
this.chart.outerRadius = Math.max(minSize / 2, 0);
this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.getVisibleDatasetCount();
this.chart.offsetX = offset.x * this.chart.outerRadius;
this.chart.offsetY = offset.y * this.chart.outerRadius;
this.getDataset().total = 0;
helpers.each(this.getDataset().data, function(value) {
if (!isNaN(value)) {
this.getDataset().total += Math.abs(value);
}
}, this);
this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.getRingIndex(this.index));
this.innerRadius = this.outerRadius - this.chart.radiusLength;
helpers.each(this.getDataset().metaData, function(arc, index) {
this.updateElement(arc, index, reset);
}, this);
},
updateElement: function(arc, index, reset) {
var centerX = (this.chart.chartArea.left + this.chart.chartArea.right) / 2;
var centerY = (this.chart.chartArea.top + this.chart.chartArea.bottom) / 2;
var startAngle = this.chart.options.rotation || (Math.PI * -0.5); // non reset case handled later
var endAngle = this.chart.options.rotation || (Math.PI * -0.5); // non reset case handled later
var circumference = reset && this.chart.options.animation.animateRotate ? 0 : this.calculateCircumference(this.getDataset().data[index]) * ((this.chart.options.circumference || (2.0 * Math.PI)) / (2.0 * Math.PI));
var innerRadius = reset && this.chart.options.animation.animateScale ? 0 : this.innerRadius;
var outerRadius = reset && this.chart.options.animation.animateScale ? 0 : this.outerRadius;
helpers.extend(arc, {
// Utility
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index,
// Desired view properties
_model: {
x: centerX + this.chart.offsetX,
y: centerY + this.chart.offsetY,
startAngle: startAngle,
endAngle: endAngle,
circumference: circumference,
outerRadius: outerRadius,
innerRadius: innerRadius,
backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
label: helpers.getValueAtIndexOrDefault(this.getDataset().label, index, this.chart.data.labels[index])
}
});
// Set correct angles if not resetting
if (!reset) {
if (index === 0) {
arc._model.startAngle = this.chart.options.rotation || (Math.PI * -0.5);
} else {
arc._model.startAngle = this.getDataset().metaData[index - 1]._model.endAngle;
}
arc._model.endAngle = arc._model.startAngle + arc._model.circumference;
}
arc.pivot();
},
draw: function(ease) {
var easingDecimal = ease || 1;
helpers.each(this.getDataset().metaData, function(arc, index) {
arc.transition(easingDecimal).draw();
});
},
setHoverStyle: function(arc) {
var dataset = this.chart.data.datasets[arc._datasetIndex];
var index = arc._index;
arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, arc._model.borderWidth);
},
removeHoverStyle: function(arc) {
var dataset = this.chart.data.datasets[arc._datasetIndex];
var index = arc._index;
arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
},
calculateCircumference: function(value) {
if (this.getDataset().total > 0 && !isNaN(value)) {
return (Math.PI * 1.999999) * (value / this.getDataset().total);
} else {
return 0;
}
}
});
};
},{}],12:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
Chart.defaults.line = {
showLines: true,
hover: {
mode: "label"
},
scales: {
xAxes: [{
type: "category",
id: 'x-axis-0'
}],
yAxes: [{
type: "linear",
id: 'y-axis-0'
}]
}
};
Chart.controllers.line = Chart.DatasetController.extend({
addElements: function() {
this.getDataset().metaData = this.getDataset().metaData || [];
this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
_chart: this.chart.chart,
_datasetIndex: this.index,
_points: this.getDataset().metaData
});
helpers.each(this.getDataset().data, function(value, index) {
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
}, this);
},
addElementAndReset: function(index) {
this.getDataset().metaData = this.getDataset().metaData || [];
var point = new Chart.elements.Point({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
// Reset the point
this.updateElement(point, index, true);
// Add to the points array
this.getDataset().metaData.splice(index, 0, point);
// Make sure bezier control points are updated
if (this.chart.options.showLines && this.chart.options.elements.line.tension !== 0)
this.updateBezierControlPoints();
},
update: function update(reset) {
var line = this.getDataset().metaDataset;
var points = this.getDataset().metaData;
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var scaleBase;
if (yScale.min < 0 && yScale.max < 0) {
scaleBase = yScale.getPixelForValue(yScale.max);
} else if (yScale.min > 0 && yScale.max > 0) {
scaleBase = yScale.getPixelForValue(yScale.min);
} else {
scaleBase = yScale.getPixelForValue(0);
}
// Update Line
if (this.chart.options.showLines) {
// Utility
line._scale = yScale;
line._datasetIndex = this.index;
// Data
line._children = points;
// Model
line._model = {
// Appearance
tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),
borderCapStyle: line.custom && line.custom.borderCapStyle ? line.custom.borderCapStyle : (this.getDataset().borderCapStyle || this.chart.options.elements.line.borderCapStyle),
borderDash: line.custom && line.custom.borderDash ? line.custom.borderDash : (this.getDataset().borderDash || this.chart.options.elements.line.borderDash),
borderDashOffset: line.custom && line.custom.borderDashOffset ? line.custom.borderDashOffset : (this.getDataset().borderDashOffset || this.chart.options.elements.line.borderDashOffset),
borderJoinStyle: line.custom && line.custom.borderJoinStyle ? line.custom.borderJoinStyle : (this.getDataset().borderJoinStyle || this.chart.options.elements.line.borderJoinStyle),
fill: line.custom && line.custom.fill ? line.custom.fill : (this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill),
// Scale
scaleTop: yScale.top,
scaleBottom: yScale.bottom,
scaleZero: scaleBase
};
line.pivot();
}
// Update Points
helpers.each(points, function(point, index) {
this.updateElement(point, index, reset);
}, this);
if (this.chart.options.showLines && this.chart.options.elements.line.tension !== 0)
this.updateBezierControlPoints();
},
getPointBackgroundColor: function(point, index) {
var backgroundColor = this.chart.options.elements.point.backgroundColor;
var dataset = this.getDataset();
if (point.custom && point.custom.backgroundColor) {
backgroundColor = point.custom.backgroundColor;
} else if (dataset.pointBackgroundColor) {
backgroundColor = helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);
} else if (dataset.backgroundColor) {
backgroundColor = dataset.backgroundColor;
}
return backgroundColor;
},
getPointBorderColor: function(point, index) {
var borderColor = this.chart.options.elements.point.borderColor;
var dataset = this.getDataset();
if (point.custom && point.custom.borderColor) {
borderColor = point.custom.borderColor;
} else if (dataset.pointBorderColor) {
borderColor = helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, borderColor);
} else if (dataset.borderColor) {
borderColor = dataset.borderColor;
}
return borderColor;
},
getPointBorderWidth: function(point, index) {
var borderWidth = this.chart.options.elements.point.borderWidth;
var dataset = this.getDataset();
if (point.custom && point.custom.borderWidth !== undefined) {
borderWidth = point.custom.borderWidth;
} else if (dataset.pointBorderWidth !== undefined) {
borderWidth = helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);
} else if (dataset.borderWidth !== undefined) {
borderWidth = dataset.borderWidth;
}
return borderWidth;
},
updateElement: function(point, index, reset) {
var yScale = this.getScaleForId(this.getDataset().yAxisID);
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var scaleBase;
if (yScale.min < 0 && yScale.max < 0) {
scaleBase = yScale.getPixelForValue(yScale.max);
} else if (yScale.min > 0 && yScale.max > 0) {
scaleBase = yScale.getPixelForValue(yScale.min);
} else {
scaleBase = yScale.getPixelForValue(0);
}
// Utility
point._chart = this.chart.chart;
point._xScale = xScale;
point._yScale = yScale;
point._datasetIndex = this.index;
point._index = index;
// Desired view properties
point._model = {
x: xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
y: reset ? scaleBase : this.calculatePointY(this.getDataset().data[index], index, this.index, this.chart.isCombo),
// Appearance
tension: point.custom && point.custom.tension ? point.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius),
pointStyle: point.custom && point.custom.pointStyle ? point.custom.pointStyle : helpers.getValueAtIndexOrDefault(this.getDataset().pointStyle, index, this.chart.options.elements.point.pointStyle),
backgroundColor: this.getPointBackgroundColor(point, index),
borderColor: this.getPointBorderColor(point, index),
borderWidth: this.getPointBorderWidth(point, index),
// Tooltip
hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius)
};
point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
},
calculatePointY: function(value, index, datasetIndex, isCombo) {
var xScale = this.getScaleForId(this.getDataset().xAxisID);
var yScale = this.getScaleForId(this.getDataset().yAxisID);
if (yScale.options.stacked) {
var sumPos = 0,
sumNeg = 0;
for (var i = 0; i < datasetIndex; i++) {
var ds = this.chart.data.datasets[i];
if (ds.type === 'line' && helpers.isDatasetVisible(ds)) {
if (ds.data[index] < 0) {
sumNeg += ds.data[index] || 0;
} else {
sumPos += ds.data[index] || 0;
}
}
}
if (value < 0) {
return yScale.getPixelForValue(sumNeg + value);
} else {
return yScale.getPixelForValue(sumPos + value);
}
}
return yScale.getPixelForValue(value);
},
updateBezierControlPoints: function() {
// Update bezier control points
helpers.each(this.getDataset().metaData, function(point, index) {
var controlPoints = helpers.splineCurve(
helpers.previousItem(this.getDataset().metaData, index)._model,
point._model,
helpers.nextItem(this.getDataset().metaData, index)._model,
point._model.tension
);
// Prevent the bezier going outside of the bounds of the graph
point._model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, this.chart.chartArea.right), this.chart.chartArea.left);
point._model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
point._model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, this.chart.chartArea.right), this.chart.chartArea.left);
point._model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
// Now pivot the point for animation
point.pivot();
}, this);
},
draw: function(ease) {
var easingDecimal = ease || 1;
// Transition Point Locations
helpers.each(this.getDataset().metaData, function(point) {
point.transition(easingDecimal);
});
// Transition and Draw the line
if (this.chart.options.showLines)
this.getDataset().metaDataset.transition(easingDecimal).draw();
// Draw the points
helpers.each(this.getDataset().metaData, function(point) {
point.draw();
});
},
setHoverStyle: function(point) {
// Point
var dataset = this.chart.data.datasets[point._datasetIndex];
var index = point._index;
point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, point._model.borderWidth);
},
removeHoverStyle: function(point) {
var dataset = this.chart.data.datasets[point._datasetIndex];
var index = point._index;
point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
point._model.backgroundColor = this.getPointBackgroundColor(point, index);
point._model.borderColor = this.getPointBorderColor(point, index);
point._model.borderWidth = this.getPointBorderWidth(point, index);
}
});
};
},{}],13:[function(require,module,exports){
"use strict";
module.exports = function(Chart) {
var helpers = Chart.helpers;
Chart.defaults.polarArea = {
scale: {
type: "radialLinear",
lineArc: true // so that lines are circular
},
//Boolean - Whether to animate the rotation of the chart
animateRotate: true,
animateScale: true,
aspectRatio: 1,
legendCallback: function(chart) {
var text = [];
text.push('<ul class="' + chart.id + '-legend">');
if (chart.data.datasets.length) {
for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
if (chart.data.labels[i]) {
text.push(chart.data.labels[i]);
}
text.push('</span></li>');
}
}
text.push('</ul>');
return text.join("");
},
legend: {
labels: {
generateLabels: function(data) {
if (data.labels.length && data.datasets.length) {
return data.labels.map(function(label, i) {
return {
text: label,
fillStyle: data.datasets[0].backgroundColor[i],
hidden: isNaN(data.datasets[0].data[i]),
// Extra data used for toggling the correct item
index: i
};
});
} else {
return [];
}
}
},
onClick: function(e, legendItem) {
helpers.each(this.chart.data.datasets, function(dataset) {
dataset.metaHiddenData = dataset.metaHiddenData || [];
var idx = legendItem.index;
if (!isNaN(dataset.data[idx])) {
dataset.metaHiddenData[idx] = dataset.data[idx];
dataset.data[idx] = NaN;
} else if (!isNaN(dataset.metaHiddenData[idx])) {
dataset.data[idx] = dataset.metaHiddenData[idx];
}
});
this.chart.update();
}
},
// Need to override these to give a nice default
tooltips: {
callbacks: {
title: function() {
return '';
},
label: function(tooltipItem, data) {
return data.labels[tooltipItem.index] + ': ' + tooltipItem.yLabel;
}
}
}
};
Chart.controllers.polarArea = Chart.DatasetController.extend({
linkScales: function() {
// no scales for doughnut
},
addElements: function() {
this.getDataset().metaData = this.getDataset().metaData || [];
helpers.each(this.getDataset().data, function(value, index) {
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
}, this);
},
addElementAndReset: function(index) {
this.getDataset().metaData = this.getDataset().metaData || [];
var arc = new Chart.elements.Arc({
_chart: this.chart.chart,
_datasetIndex: this.index,
_index: index
});
// Reset the point
this.updateElement(arc, index, true);
// Add to the points array
this.getDataset().metaData.splice(index, 0, arc);
},
getVisibleDatasetCount: functi